Home / 1,339,112.30-2,008,684.80-392,502.17

Finding the Fourth Proportional to 1,339,112.30, 2,008,684.80 and 392,502.17

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Solution

The fourth proportional to 1,339,112.30, 2,008,684.80 and 392,502.17 is: 588,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,112.30 : 2,008,684.80 = 392,502.17 : x
  2. Step 2: Convert to fraction form
    1,339,112.30/2,008,684.80 = 392,502.17/x
  3. Step 3: Cross multiply
    1,339,112.30x = 2,008,684.80 × 392,502.17
  4. Step 4: Simplify right side
    1,339,112.30x = 788,413,142,846.02
  5. Step 5: Solve for x
    x = 788,413,142,846.02/1,339,112.30
  6. Step 6: Final answer
    x = 588,758.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.